Home / 162,003,082.13-223,564,846.11-87,663,643.46

Finding the Fourth Proportional to 162,003,082.13, 223,564,846.11 and 87,663,643.46

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Solution

The fourth proportional to 162,003,082.13, 223,564,846.11 and 87,663,643.46 is: 120,976,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,082.13 : 223,564,846.11 = 87,663,643.46 : x
  2. Step 2: Convert to fraction form
    162,003,082.13/223,564,846.11 = 87,663,643.46/x
  3. Step 3: Cross multiply
    162,003,082.13x = 223,564,846.11 × 87,663,643.46
  4. Step 4: Simplify right side
    162,003,082.13x = 19,598,508,959,576,808
  5. Step 5: Solve for x
    x = 19,598,508,959,576,808/162,003,082.13
  6. Step 6: Final answer
    x = 120,976,148.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.